1. Mary was waiting for me when I arrived home.
2. I was walking along the street when I heard terrible cry.
3. What were you doing at this time yesterday?
4. He wasn't driving very fast when the accident happened.
5. Who was playing football on this ground yesterday evening?
6. When the train arrived at the station she still was standing on the platform.
7. I was having beautiful dream when the alarm clock rang.
8. We were watching TV when suddenly we lost all the power.
9. He broke his leg when he was skiing in the mountains.
10. While I was
cooking dinner I cut myself the finger.